Spring direct load type safety valve for low-temperature medium

The invention provides a spring direct load type safety valve for a low-temperature medium, and belongs to the technical field of safety valves, the spring direct load type safety valve for the low-temperature medium comprises a first valve body; a first nut; the first nut is fixedly connected to the lower end of the first valve body; the upper end of the first nut is connected with the third flange, and the upper end of the third flange is fixedly connected with a second valve body; by arranging the connecting mechanism, when the safety valve is used, the safety valve can be more conveniently disassembled and assembled, so that the practicability of the safety valve is further improved, and a fourth flange and a fifth flange are fixed through bolts, so that the stability of the safety valve is further improved; and a sealing ring can be additionally arranged between the fourth flange and the fifth flange, so that the sealing function of the flange can be better guaranteed when the flange is used. 本发明提供一种低温介质